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Santhil Kalantre

SDE 1 @ RingCentral | Backend Engineer | Java | Spring Boot | GATE 99.90%ile | IIIT-B MTech

Bengaluru

2+ years of work experience

RingCentral
Jul 20242 yrs 2 mosAug 2026

Bengaluru, Karnataka, India

• Designed and implemented event-driven presence synchronization between MS Teams and RingCentral, coordinating real-time state across distributed services for 100,000+ active enterprise users while preventing synchronization loops. • Designed asynchronous provisioning and onboarding workflows for the MS Teams integration platform using notifierdriven orchestration, state-based workflow management, retries, and compensating cleanup for failure recovery. • Executed a project-wide Java runtime migration across multi-module Spring Boot services, resolving 1,500+ CVEs and modernizing JVM garbage-collection scheduling to reduce memory footprint by 20%. • Engineered resilient Kafka-driven CRM ingestion pipelines within the Unified Integration Framework, processing call and message events across Salesforce, HubSpot, and Zendesk for automated activity logging. • Delivered the Salesforce AI Notes pipeline end-to-end, designing asynchronous ingestion of AI-generated summaries to meet high-throughput processing and strict SLA requirements. • Hardened Zendesk OAuth integrations with token-refresh, revoked-credential handling, and fallback recovery across distributed authentication workflows. • Won 1st place in the internal RingCentral Hackathon by prototyping ’RingSuggest’, a contextual quick-reply engine subsequently adopted into the production roadmap
RingCentral
Jan 20247 mosJul 2024

Bengaluru, Karnataka, India

Sparrow RMS -EHS | Technology | Engineering | Sustainability | IndustryOS ™
Jul 20205 mosNov 2020

Remote

Santhil’s AI Stack

antigravity
antigravity
claude code
claude code
claude
claude
cursor
cursor
gemini
gemini
github copilot
github copilot

Education

International Institute of Information Technology Bangalore

Master's degree, Computer Science

International Institute of Information Technology Bangalore

20222 yrs2024
Cambridge Institute of Technology

Bachelor of Technology - BTech, Computer Science

Cambridge Institute of Technology

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Headline

SDE 1 @ RingCentral | Backend Engineer | Java | Spring Boot | GATE 99.90%ile | IIIT-B MTech

About

I’m a backend software engineer with a strong passion for solving complex problems and a relentless drive to stay ahead in the tech landscape. I earned my Bachelor’s in Computer Science from Cambridge Institute of Technology, Bangalore, and secured admission to IIIT Bangalore through GATE 2022, achieving an All India Rank of 660 (99.90 percentile). At IIITB, I deepened my expertise in enterprise-grade software development, completing core courses like Data Structures & Algorithms, DevOps, Software Systems, Machine Learning, OS, DBMS, and Networks. One of my proudest academic projects was Mindful Milestones, a doctor-monitored self-help healthcare app built with Spring Boot, React, React Native, JWT, and MySQL. It features secure, multi-patient support, structured progress tracking, and real-time communication between doctors and patients. Professionally, I thrive in fast-paced, collaborative environments. I was recently recognized as a runner-up in RingCentral’s Ringathon Hackathon for co-developing Ring Suggest, an AI-powered messaging assistant aimed at enhancing user experience. Always exploring new technologies, I’m eager to contribute to impactful projects and innovative teams. Let’s connect and build something extraordinary together.

Location

Bengaluru

AI stack

antigravity

claude code

claude

cursor

gemini

github copilot

Work experience

SDE 1 at RingCentral, Jul 2024 - Aug 2026 · 2 yrs 2 mos, Bengaluru, Karnataka, India, • Designed and implemented event-driven presence synchronization between MS Teams and RingCentral, coordinating real-time state across distributed services for 100,000+ active enterprise users while preventing synchronization loops. • Designed asynchronous provisioning and onboarding workflows for the MS Teams integration platform using notifierdriven orchestration, state-based workflow management, retries, and compensating cleanup for failure recovery. • Executed a project-wide Java runtime migration across multi-module Spring Boot services, resolving 1,500+ CVEs and modernizing JVM garbage-collection scheduling to reduce memory footprint by 20%. • Engineered resilient Kafka-driven CRM ingestion pipelines within the Unified Integration Framework, processing call and message events across Salesforce, HubSpot, and Zendesk for automated activity logging. • Delivered the Salesforce AI Notes pipeline end-to-end, designing asynchronous ingestion of AI-generated summaries to meet high-throughput processing and strict SLA requirements. • Hardened Zendesk OAuth integrations with token-refresh, revoked-credential handling, and fallback recovery across distributed authentication workflows. • Won 1st place in the internal RingCentral Hackathon by prototyping ’RingSuggest’, a contextual quick-reply engine subsequently adopted into the production roadmap

SDE Intern at RingCentral, Jan 2024 - Jul 2024 · 7 mos, Bengaluru, Karnataka, India

Engineering Intern at Sparrow RMS -EHS | Technology | Engineering | Sustainability | IndustryOS ™, Jul 2020 - Nov 2020 · 5 mos, Remote

Education

Master's degree, Computer Science, International Institute of Information Technology Bangalore

Bachelor of Technology - BTech, Computer Science, Cambridge Institute of Technology

Public links

leetcode: https://leetcode.com/GymBro_2000

Santhil Kalantre - SDE 1 in Bengaluru | Tal